BILOXI — A segment of “Ask This Old House” that was filmed in Biloxi premiers this weekend.

The show demonstrates how to install a high tunnel to extend the growing season of backyard gardens.

Two Mississippi State University horticulture scientists served as consultants for the traveling home improvement show. They helped the crew with region-specific information and coordination of the site and materials.

The segment airs Feb. 28 and March 1-6 on Mississippi Public Broadcasting. Air dates and times vary depending on the service provider and can be found by entering a zip code at www.thisoldhouse.com/toh/tv/ask-toh.

The segment also can be viewed at www.thisoldhouse.com beginning at 7 p.m. March 2.